Salih SM, Shaker SJ. Orthogonal Generalized Symmetric Higher bi-Derivations on Semiprime Г-Rings . Iraqi Journal of Science [Internet]. 2018 Apr. 29 [cited 2026 Jun. 25];59(2A):711-23. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/276